KR101589198B1 - 셀 밸런싱 회로의 고장 진단 장치 및 방법 - Google Patents

셀 밸런싱 회로의 고장 진단 장치 및 방법 Download PDF

Info

Publication number
KR101589198B1
KR101589198B1 KR1020130017669A KR20130017669A KR101589198B1 KR 101589198 B1 KR101589198 B1 KR 101589198B1 KR 1020130017669 A KR1020130017669 A KR 1020130017669A KR 20130017669 A KR20130017669 A KR 20130017669A KR 101589198 B1 KR101589198 B1 KR 101589198B1
Authority
KR
South Korea
Prior art keywords
cell balancing
cell
balancing circuit
value
voltage
Prior art date
Application number
KR1020130017669A
Other languages
English (en)
Korean (ko)
Other versions
KR20140103773A (ko
Inventor
야스히토 에구치
쇼지 타니나
강주현
Original Assignee
주식회사 엘지화학
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to KR1020130017669A priority Critical patent/KR101589198B1/ko
Priority to EP14754193.2A priority patent/EP2848955B1/fr
Priority to CN201480001690.0A priority patent/CN104471417B/zh
Priority to JP2015541702A priority patent/JP5979403B2/ja
Priority to PL14754193T priority patent/PL2848955T3/pl
Priority to PCT/KR2014/000719 priority patent/WO2014129757A1/fr
Priority to US14/287,972 priority patent/US9018956B2/en
Publication of KR20140103773A publication Critical patent/KR20140103773A/ko
Application granted granted Critical
Publication of KR101589198B1 publication Critical patent/KR101589198B1/ko

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/392—Determining battery ageing or deterioration, e.g. state of health
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385—Arrangements for measuring battery or accumulator variables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0038—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing pulses or pulse trains according to amplitude)
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/10—Measuring sum, difference or ratio
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/371—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/389—Measuring internal impedance, internal conductance or related variables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0014—Circuits for equalisation of charge between batteries
    • H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/005—Detection of state of health [SOH]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Battery Mounting, Suspending (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
KR1020130017669A 2013-02-19 2013-02-19 셀 밸런싱 회로의 고장 진단 장치 및 방법 KR101589198B1 (ko)

Priority Applications (7)

Application Number Priority Date Filing Date Title
KR1020130017669A KR101589198B1 (ko) 2013-02-19 2013-02-19 셀 밸런싱 회로의 고장 진단 장치 및 방법
EP14754193.2A EP2848955B1 (fr) 2013-02-19 2014-01-24 Dispositif et procédé de diagnostic d'anormalité de circuit d'équilibrage de cellules
CN201480001690.0A CN104471417B (zh) 2013-02-19 2014-01-24 用于诊断电池胞平衡电路的故障的设备和方法
JP2015541702A JP5979403B2 (ja) 2013-02-19 2014-01-24 セルバランシング回路の故障診断装置及び方法
PL14754193T PL2848955T3 (pl) 2013-02-19 2014-01-24 Urządzenie i sposób do diagnozowania nieprawidłowości w obwodzie równoważenia ogniw
PCT/KR2014/000719 WO2014129757A1 (fr) 2013-02-19 2014-01-24 Dispositif et procédé de diagnostic de défaillance de circuit d'équilibrage de cellules
US14/287,972 US9018956B2 (en) 2013-02-19 2014-05-27 Apparatus and method for diagnosing abnormality in cell balancing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020130017669A KR101589198B1 (ko) 2013-02-19 2013-02-19 셀 밸런싱 회로의 고장 진단 장치 및 방법

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020150178318A Division KR101858321B1 (ko) 2015-12-14 2015-12-14 셀 밸런싱 회로의 고장 진단 장치 및 방법

Publications (2)

Publication Number Publication Date
KR20140103773A KR20140103773A (ko) 2014-08-27
KR101589198B1 true KR101589198B1 (ko) 2016-01-28

Family

ID=51391501

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020130017669A KR101589198B1 (ko) 2013-02-19 2013-02-19 셀 밸런싱 회로의 고장 진단 장치 및 방법

Country Status (7)

Country Link
US (1) US9018956B2 (fr)
EP (1) EP2848955B1 (fr)
JP (1) JP5979403B2 (fr)
KR (1) KR101589198B1 (fr)
CN (1) CN104471417B (fr)
PL (1) PL2848955T3 (fr)
WO (1) WO2014129757A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200051307A (ko) 2018-11-05 2020-05-13 현대오트론 주식회사 배터리 관리 장치 및 그것의 동작 방법

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102399722B1 (ko) * 2014-12-29 2022-05-19 삼성전자주식회사 전류 추정 방법 및 장치
TWI558064B (zh) * 2015-07-31 2016-11-11 宏碁股份有限公司 電池平衡裝置及其電池平衡方法
KR101707150B1 (ko) * 2015-11-04 2017-02-16 국민대학교산학협력단 배터리 팩의 셀 밸런싱 장치 및 셀 밸런싱 방법
CN105676137B (zh) * 2016-01-18 2019-04-02 廖德成 一种高速电池电压扫描电路
DE102016202761A1 (de) * 2016-02-23 2017-08-24 Continental Automotive Gmbh Batteriesystem mit einer Spannungsausgleichsschaltung, Verfahren zum Erkennen eines fehlerhaften Zustandes der Spannungsausgleichsschaltung und der Zellspannungsmessung
US10408884B2 (en) 2016-03-16 2019-09-10 Tti (Macao Commercial Offshore) Limited Power tool battery pack with wireless communication
CN105633491B (zh) * 2016-03-22 2018-02-27 深圳市清友能源技术有限公司 一种电池管理系统的被动均衡电路
KR102025286B1 (ko) 2016-07-12 2019-09-26 주식회사 엘지화학 배터리 셀 밸런싱의 방법 및 시스템
CN106249099B (zh) * 2016-08-26 2018-12-07 北京海博思创科技有限公司 电压采集线开路故障检测设备和方法及电池管理系统
DE102016216775A1 (de) * 2016-09-05 2018-03-08 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Überprüfen einer Symmetrierschaltung
WO2018056262A1 (fr) * 2016-09-21 2018-03-29 オートモーティブエナジーサプライ株式会社 Système d'alimentation électrique
EP3518374B1 (fr) * 2016-09-21 2021-08-18 Envision AESC Japan Ltd. Système d'alimentation électrique
CN109891704B (zh) 2016-10-04 2023-02-17 布朗沃森国际私人有限公司 用于搭电启动车辆的设备
CN106329667A (zh) * 2016-10-26 2017-01-11 宁德时代新能源科技股份有限公司 电池均衡电路、系统及方法
CN106501703B (zh) * 2017-01-04 2019-04-16 山东谦恒电子科技有限公司 Bms均衡mos管检测方法及装置
KR101923515B1 (ko) 2017-05-17 2018-11-29 (주)코리아넷 에너지 저장 시스템의 안정화 및 효율적 관리를 위하여 배터리의 상태를 주기적으로 모니터링 및 제어하는 시스템
KR102150147B1 (ko) * 2017-05-24 2020-09-01 주식회사 엘지화학 배터리 모듈 균등화 장치 및 방법
CN110832334B (zh) * 2017-06-20 2022-09-27 株式会社杰士汤浅国际 故障诊断装置
KR102236384B1 (ko) 2017-10-27 2021-04-05 주식회사 엘지화학 배터리 밸런싱을 위한 장치 및 그것을 포함하는 배터리팩
CN107741570A (zh) * 2017-11-16 2018-02-27 常州机电职业技术学院 一种串联锂电池组的检测方法
IT201800005828A1 (it) * 2018-05-29 2019-11-29 Procedimento di funzionamento di sistemi di gestione di batterie, dispositivo e veicolo corrispondenti
CN110736912B (zh) * 2018-07-20 2021-06-08 宁德时代新能源科技股份有限公司 电路故障的检测方法和采样检测电路
US10978884B2 (en) * 2018-08-10 2021-04-13 Powin Energy Corporation Enhanced switched balancing network for battery pack
US11063444B2 (en) 2018-08-10 2021-07-13 Powin, Llc Enhanced battery management system for battery pack
CA3110857A1 (fr) 2018-09-11 2020-03-19 Powin Energy Corporation Empilement de batteries modulaires et systeme de support
KR102443667B1 (ko) * 2018-10-26 2022-09-14 주식회사 엘지에너지솔루션 밸런싱 장치, 및 그것을 포함하는 배터리 관리 시스템과 배터리팩
US11418041B2 (en) * 2019-03-15 2022-08-16 Lg Energy Solution, Ltd. Battery system
IT201900009237A1 (it) 2019-06-17 2020-12-17 St Microelectronics Srl Procedimento di funzionamento di sistemi di gestione di batterie, dispositivo e veicolo corrispondenti
IT201900009234A1 (it) 2019-06-17 2020-12-17 St Microelectronics Srl Procedimento di funzionamento di sistemi di gestione di batterie, dispositivo e veicolo corrispondenti
KR20210011236A (ko) * 2019-07-22 2021-02-01 주식회사 엘지화학 배터리 저항 진단 장치 및 방법
EP3812784A1 (fr) * 2019-10-23 2021-04-28 NXP USA, Inc. Systèmes et procédés impliquant la mesure de cellules de batterie
DE102019134757A1 (de) * 2019-12-17 2021-06-17 HELLA GmbH & Co. KGaA Vorrichtung und Verfahren zum Überwachen von mindestens drei Batteriezellen einer Batterie
KR20220120165A (ko) * 2021-02-23 2022-08-30 삼성에스디아이 주식회사 배터리 관리 시스템
CN114678609B (zh) * 2022-05-27 2022-08-26 中创新航科技股份有限公司 单体电池电压计算控制方法及装置、电池模组

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6121751A (en) * 1999-03-11 2000-09-19 Lockheed Martin Corporation Battery charger for charging a stack of multiple lithium ion battery cells
JP4627588B2 (ja) * 2000-10-20 2011-02-09 パナソニック株式会社 電池パックとその検査装置
JP3709785B2 (ja) * 2000-12-01 2005-10-26 日産自動車株式会社 組電池の診断装置
JP4832840B2 (ja) 2005-09-21 2011-12-07 日立ビークルエナジー株式会社 電池制御装置
JP5459946B2 (ja) * 2007-09-28 2014-04-02 株式会社日立製作所 車両用直流電源装置
KR100968348B1 (ko) * 2008-08-21 2010-07-08 주식회사 엘지화학 부동 캐패시터를 이용한 셀 밸런싱 회로의 고장 진단 장치 및 방법
KR101065562B1 (ko) * 2008-09-05 2011-09-19 주식회사 엘지화학 셀 밸런싱 스위치의 고장 진단 장치 및 방법
JP2010091520A (ja) * 2008-10-10 2010-04-22 Toshiba Corp 電池モジュール異常検出回路及びその検出方法
KR101234059B1 (ko) * 2010-02-22 2013-02-15 주식회사 엘지화학 셀 밸런싱부의 고장 진단 장치 및 방법
KR101256952B1 (ko) * 2010-03-05 2013-04-25 주식회사 엘지화학 셀 밸런싱부의 고장 진단 장치 및 방법
JP5606871B2 (ja) * 2010-10-26 2014-10-15 ラピスセミコンダクタ株式会社 半導体回路、半導体装置、配線の異常診断方法、及び異常診断プログラム
WO2012132220A1 (fr) * 2011-03-31 2012-10-04 ルネサスエレクトロニクス株式会社 Module de surveillance de tension et système de surveillance de tension l'utilisant
US8648602B2 (en) * 2011-06-01 2014-02-11 Nxp B.V. Battery impedance detection system, apparatus and method
CN102445652B (zh) * 2011-12-30 2013-06-19 成都林海电子有限责任公司 一种监控电路的检测方法
US9037424B2 (en) * 2012-05-01 2015-05-19 Caterpillar Inc. Systems and methods for detecting ultracapacitor cell short circuits
JP5932569B2 (ja) * 2012-08-24 2016-06-08 ルネサスエレクトロニクス株式会社 半導体装置及び電池電圧監視装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200051307A (ko) 2018-11-05 2020-05-13 현대오트론 주식회사 배터리 관리 장치 및 그것의 동작 방법

Also Published As

Publication number Publication date
CN104471417B (zh) 2017-11-24
EP2848955B1 (fr) 2018-09-26
EP2848955A1 (fr) 2015-03-18
EP2848955A4 (fr) 2015-11-04
PL2848955T3 (pl) 2019-09-30
US9018956B2 (en) 2015-04-28
WO2014129757A1 (fr) 2014-08-28
KR20140103773A (ko) 2014-08-27
US20140253135A1 (en) 2014-09-11
JP2016504568A (ja) 2016-02-12
CN104471417A (zh) 2015-03-25
JP5979403B2 (ja) 2016-08-24

Similar Documents

Publication Publication Date Title
KR101589198B1 (ko) 셀 밸런싱 회로의 고장 진단 장치 및 방법
KR101234059B1 (ko) 셀 밸런싱부의 고장 진단 장치 및 방법
KR101256952B1 (ko) 셀 밸런싱부의 고장 진단 장치 및 방법
JP5861954B2 (ja) バッテリーの絶縁抵抗測定装置及び方法
US10622685B2 (en) Problem detection apparatus
CN107850643A (zh) 用于诊断开关元件的故障的装置和方法
CN103296715A (zh) 开关故障诊断装置、电池组以及开关故障诊断程序、开关故障诊断方法
KR101562016B1 (ko) 셀 밸런싱 스위치의 고장 진단 장치 및 방법
KR101858321B1 (ko) 셀 밸런싱 회로의 고장 진단 장치 및 방법
KR100968348B1 (ko) 부동 캐패시터를 이용한 셀 밸런싱 회로의 고장 진단 장치 및 방법
US11774499B2 (en) Relay diagnosis device, relay diagnosis method, battery system, and electric vehicle
KR101602434B1 (ko) 충전시 발생하는 셀 밸런싱 스위치의 오진단 방지 장치 및 오진단 방지 방법
KR20100028807A (ko) 셀 밸런싱 스위치의 고장 진단 장치 및 방법
KR20210058717A (ko) 멀티 배터리 팩에 포함된 스위치부의 고장 진단 장치 및 방법
KR101621408B1 (ko) 스위치 정상동작 모니터링 장치 및 방법
JP7248220B2 (ja) マルチバッテリーパックに含まれたスイッチ部の故障診断装置及び方法
JP2023074098A (ja) 制御装置および電池パック
KR20220045442A (ko) 다병렬 충/방전 fet 구조의 고장 진단 회로 및 그 진단 방법
KR20210041981A (ko) 배터리 팩의 진단 방법, 배터리 관리 시스템 및 배터리 장치
CN113557440A (zh) 电池装置和电流传感器诊断方法
KR20210061100A (ko) 배터리 장치 및 드리프트 오류 진단 방법

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
AMND Amendment
E601 Decision to refuse application
AMND Amendment
X701 Decision to grant (after re-examination)
A107 Divisional application of patent
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20190116

Year of fee payment: 4